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Official data from INPI

SISTEMA DE CONTROLE E MONITORACAO DO FATOR DE POTENCIA PARA SOLDAGEM A RESISTENCIA

ConcedidaInvention Patent

Application data

Number

PI8108988

Type

Invention Patent

Filing

03/02/1981

Publication

03/01/1983

Progress at the INPI

  1. Filing03/02/81
  2. Publication03/01/83
  3. Examination07/17/84
  4. Allowance07/09/85
  5. Grant04/29/86
  6. Terminated06/27/95

The patent was granted on 04/29/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SQUARE D CO [US]

Inventors

J. [. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Solicitação de exame técnico

#4.1

07/17/1984

RPI 717

Notificação de entrada na fase nacional - PCT

#1.3

03/01/1983

RPI 645

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: G06F 15/46; B23K 9/10.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

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